CVE-2015-9551
CRITICAL
9.8
CVSS Score
Published: November 24, 2020 at 09:01 PM UTC
Updated: June 17, 2026 at 12:36 AM UTC
16 products affected across 1 vendorN300RH V3 FirmwareN151RT V2 FirmwareN300RH V2 Firmware
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Severity
CRITICAL9.8
Exploit prediction
EPSS 4%
Description
An issue was discovered on TOTOLINK A850R-V1 through 1.0.1-B20150707.1612 and F1-V2 through 1.1-B20150708.1646 devices. There is Remote Code Execution in the management interface via the formSysCmd sysCmd parameter.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.0.1-b20150707.1612
Affected range stops below 1.0.1-b20150707.1612, so it looks safe — our inference, not a vendor statement
totolink-a850r-v1 (same device)
v < 2.1.1-b20150708.1646
Affected range stops below 2.1.1-b20150708.1646, so it looks safe — our inference, not a vendor statement
totolink-f1-v2 (same device)
v < 2.1.0-b20150320.1611
Affected range stops below 2.1.0-b20150320.1611, so it looks safe — our inference, not a vendor statement
totolink-f2-v1 (same device)
v < 2.1.1-b20150708.1548
Affected range stops below 2.1.1-b20150708.1548, so it looks safe — our inference, not a vendor statement
totolink-n150rt-v2 (same device)
v < 1.1-b20150708.1559
Affected range stops below 1.1-b20150708.1559, so it looks safe — our inference, not a vendor statement
totolink-n151rt-v2 (same device)
v < 2.0.1-b20150708.1625
Affected range stops below 2.0.1-b20150708.1625, so it looks safe — our inference, not a vendor statement
totolink-n300rh-v2 (same device)
v < 3.0.0-b20150331.0858
Affected range stops below 3.0.0-b20150331.0858, so it looks safe — our inference, not a vendor statement
totolink-n300rh-v3 (same device)
v < 2.1.1-b20150708.1613
Affected range stops below 2.1.1-b20150708.1613, so it looks safe — our inference, not a vendor statement
totolink-n300rt-v2 (same device)
A850R-V1· Totolinkdevice
80%All versions
F1-V2· Totolinkdevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://pierrekim.github.io/blog/2015-07-16-backdoor-and-RCE-found-in-8-TOTOLINK-products.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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